FIELD: technological processes.
SUBSTANCE: invention relates to application of coating on surface of a steel sheet, particularly black coating material. Disclosed is a black-plated steel sheet comprising a hot-dip Al and Mg-containing zinc-plated layer which comprising 1.0 to 22.0 wt% of Al and 1.3 to 10.0 wt% of Mg, with a black oxide of Zn distributed in plating layer, said hot-dip Al and Mg-containing zinc-plated layer having a surface lightness represented by L* value of 60 or less.
EFFECT: proposed steel plate retains its black appearance after treatment, can be stamped and is characterised by corrosion resistance.
11 cl, 11 dwg, 13 tbl
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